Suppose 3*a = 3*t + 2*a - 6, 4*t = 5*a + 8. Solve t*k = k - 1 for k.

Let h be ²⁄₅ + ⁴³⁄₅. Suppose 4*d + 4*n - 20 = 0, 9*d - 4*d - 13 = -2*n. Solve 2*y - d = h for y.

5

Let i be (1 - 1)*6/(-12). Solve i = t - 1 + 5 for t.

-4

Let q = -11 + 13. Let c(s) be the first derivative of 3*s⁴⁄₄ - s3 - 1. Let r be c(q). Solve -5*m + r = -2*m for m.

4

Suppose h - 8 = -3*h. Suppose 0 = -h*z + z + 7. Let t = z - 4. Solve t*w - 3 = -0 for w.

1

Suppose -5*o + 30 = 5*c, -4*o = o + 2*c - 21. Suppose -o*u = -14 - 4. Let g be (-3)/(-1) - (-2 - -1). Solve 2 = -g*v + u for v.

1

Let t be (-4)/(-6)*10 + 26/(-39). Solve -d - 2 + t = 0 for d.

4

Suppose -22 = -7*i - 1. Solve 4*r - 1 - i = 0 for r.

1

Suppose 0 = -5*j + 4*j. Solve j*o - 4*o = 20 for o.

-5

Suppose -1 = 7*u - 29. Solve 0 = -3*o - o + u for o.

1

Suppose -20 = -4*t - t. Suppose 2*y = -4*i, 2*y - t*y - 3*i + 1 = 0. Let a = 3 - y. Solve -3 = -h + a for h.

4